Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 13 - Review - Page 961: 21

Answer

The graph of the equation is a hyperbola with center at (0,0) and the x-intercepts $(1,0)$ and $(-1,0)$.

Work Step by Step

The graph of an equation of the form $$\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}} =1$$ is a hyperbola with center at point $(0,0)$ and x-intercepts $(a,0)$ and $(-a,0)$. Hence, the equation $$x^2-y^2=1$$ can be rewritten to: $$\frac{x^2}{1}-\frac{y^2}{1}=1$$ which satisfies the form of the equation for a hyperbola with center at $(0,0)$ and the x-intercepts $(1,0)$ and $(-1,0)$.
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